/**
 * Copyright 2009 Google Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 */

package org.waveprotocol.wave.model.richtext;


import org.waveprotocol.wave.model.document.raw.RawDocumentProviderImpl;
import org.waveprotocol.wave.model.document.raw.impl.Element;
import org.waveprotocol.wave.model.document.raw.impl.Node;
import org.waveprotocol.wave.model.document.raw.impl.RawDocumentImpl;
import org.waveprotocol.wave.model.document.raw.impl.Text;
import org.waveprotocol.wave.model.document.util.ElementStyleView;
import org.waveprotocol.wave.model.document.util.RawElementStyleView;
import org.waveprotocol.wave.model.richtext.RichTextTokenizer;

/**
 * Tests the rich text tokenizer provided for Firefox, which does stripping
 * of extra whitespace.
 *
 */

public class RichTextTokenizerImplFirefoxTest extends RichTextTokenizerImplTest {
  public void testWhitespaceStrip() {
    RichTextTokenizer tokens = tokenize("  foo  ");
    assertEquals(RichTextTokenizer.Type.TEXT, tokens.next());
    assertEquals(tokens.getData(), "foo");
  }

  public void testNewlineStrip() {
    RichTextTokenizer tokens = tokenize("\nfoo\n");
    assertEquals(RichTextTokenizer.Type.TEXT, tokens.next());
    assertEquals(tokens.getData(), "foo");
  }

  public void testAllowedSpace() {
    RichTextTokenizer tokens = tokenize("Click <a>Here</a>");
    assertEquals(RichTextTokenizer.Type.TEXT, tokens.next());
    assertEquals(tokens.getData(), "Click ");
    assertEquals(RichTextTokenizer.Type.TEXT, tokens.next());
    assertEquals(tokens.getData(), "Here");
  }

  public void testNestedDivs() {
    RichTextTokenizer tokens = tokenize("<div><div><p>bar</p></div></div>");
    assertEquals(RichTextTokenizer.Type.NEW_LINE, tokens.next());
    assertEquals(RichTextTokenizer.Type.TEXT, tokens.next());
    assertEquals(tokens.getData(), "bar");
    assertEquals(RichTextTokenizer.Type.NEW_LINE, tokens.next());
    assertFalse(tokens.hasNext());
  }

  private ElementStyleView<Node, Element, Text> parse(String xmlString) {
    return new RawElementStyleView(
        RawDocumentProviderImpl.create(RawDocumentImpl.BUILDER).parse(
            "<div>" + xmlString + "</div>"));
  }

  @Override protected RichTextTokenizer tokenize(String xmlString) {
    return new RichTextTokenizerImplFirefox<Node, Element, Text>(parse(xmlString));
  }
}